#include<iostream> using namespace std; int main(){ int a,b,age,ashi,bge,bshi; cin>>a>>b; age=a%10; ashi=a/10%10; bge=b%10; bshi=b/10%10; if(a==b){ cout<<100; }else if((age==bge && ashi!=bshi)||(age!=bge && ashi==bshi)){ cout<<10; }else{ cout<<0; } return 0; }